A study of temperature rise in the pulp chamber during composite polymerization with different light-curing units
Апстракт
Aim: The study compared pulp temperature rise during polymerization of resin-based composites (RBCs) using halogen and LED light-curing units (LCUs). Methods and Materials: A total of 32 teeth extracted from patients aged 11-18 years were used in the study. Thermocouples placed on the roof of the pulp chamber using a novel 'split-tooth' method. In Group 1 a halogen LCU with a light intensity of 450 mWcm-2 was used and in Group 2, an LED LCU with a light intensity of 1100 mWcm-2 was used. The teeth were placed in a water bath with the temperature regulated until both the pulp temperature and the ambient temperature were stable at 37°C. Continuous temperature records were made via a data logger and computer. The increase in temperature from baseline to maximum was calculated for each specimen during the curing of both the bonding agent and the RBC. Results: The rise in pulp temperature was significantly higher with the LED LCU than with the halogen LCU for bonding and RBC curing (p<0....05). The major rise in temperature occured during the curing of the bonding agent. During the curing of the RBC, rises were smaller. Conclusions: Curing of bonding agents should be done with low intensity light and high intensity used only for curing RBC regardless of whether LED or halogen LCUs are used.
Кључне речи:
Curing units / Pulp temperature rise / ThermocouplesИзвор:
Journal of Contemporary Dental Practice, 2007, 8, 7, 029-037Издавач:
- Jaypee Brothers Medical Publishers (P) Ltd
Колекције
Институција/група
Stomatološki fakultetTY - JOUR AU - Millen, C. AU - Ormond, M. AU - Richardson, G. AU - Santini, Ario AU - Miletić, Vesna AU - Kew, P. PY - 2007 UR - https://smile.stomf.bg.ac.rs/handle/123456789/1355 AB - Aim: The study compared pulp temperature rise during polymerization of resin-based composites (RBCs) using halogen and LED light-curing units (LCUs). Methods and Materials: A total of 32 teeth extracted from patients aged 11-18 years were used in the study. Thermocouples placed on the roof of the pulp chamber using a novel 'split-tooth' method. In Group 1 a halogen LCU with a light intensity of 450 mWcm-2 was used and in Group 2, an LED LCU with a light intensity of 1100 mWcm-2 was used. The teeth were placed in a water bath with the temperature regulated until both the pulp temperature and the ambient temperature were stable at 37°C. Continuous temperature records were made via a data logger and computer. The increase in temperature from baseline to maximum was calculated for each specimen during the curing of both the bonding agent and the RBC. Results: The rise in pulp temperature was significantly higher with the LED LCU than with the halogen LCU for bonding and RBC curing (p<0.05). The major rise in temperature occured during the curing of the bonding agent. During the curing of the RBC, rises were smaller. Conclusions: Curing of bonding agents should be done with low intensity light and high intensity used only for curing RBC regardless of whether LED or halogen LCUs are used. PB - Jaypee Brothers Medical Publishers (P) Ltd T2 - Journal of Contemporary Dental Practice T1 - A study of temperature rise in the pulp chamber during composite polymerization with different light-curing units VL - 8 IS - 7 SP - 029 EP - 037 UR - https://hdl.handle.net/21.15107/rcub_smile_1355 ER -
@article{ author = "Millen, C. and Ormond, M. and Richardson, G. and Santini, Ario and Miletić, Vesna and Kew, P.", year = "2007", abstract = "Aim: The study compared pulp temperature rise during polymerization of resin-based composites (RBCs) using halogen and LED light-curing units (LCUs). Methods and Materials: A total of 32 teeth extracted from patients aged 11-18 years were used in the study. Thermocouples placed on the roof of the pulp chamber using a novel 'split-tooth' method. In Group 1 a halogen LCU with a light intensity of 450 mWcm-2 was used and in Group 2, an LED LCU with a light intensity of 1100 mWcm-2 was used. The teeth were placed in a water bath with the temperature regulated until both the pulp temperature and the ambient temperature were stable at 37°C. Continuous temperature records were made via a data logger and computer. The increase in temperature from baseline to maximum was calculated for each specimen during the curing of both the bonding agent and the RBC. Results: The rise in pulp temperature was significantly higher with the LED LCU than with the halogen LCU for bonding and RBC curing (p<0.05). The major rise in temperature occured during the curing of the bonding agent. During the curing of the RBC, rises were smaller. Conclusions: Curing of bonding agents should be done with low intensity light and high intensity used only for curing RBC regardless of whether LED or halogen LCUs are used.", publisher = "Jaypee Brothers Medical Publishers (P) Ltd", journal = "Journal of Contemporary Dental Practice", title = "A study of temperature rise in the pulp chamber during composite polymerization with different light-curing units", volume = "8", number = "7", pages = "029-037", url = "https://hdl.handle.net/21.15107/rcub_smile_1355" }
Millen, C., Ormond, M., Richardson, G., Santini, A., Miletić, V.,& Kew, P.. (2007). A study of temperature rise in the pulp chamber during composite polymerization with different light-curing units. in Journal of Contemporary Dental Practice Jaypee Brothers Medical Publishers (P) Ltd., 8(7), 029-037. https://hdl.handle.net/21.15107/rcub_smile_1355
Millen C, Ormond M, Richardson G, Santini A, Miletić V, Kew P. A study of temperature rise in the pulp chamber during composite polymerization with different light-curing units. in Journal of Contemporary Dental Practice. 2007;8(7):029-037. https://hdl.handle.net/21.15107/rcub_smile_1355 .
Millen, C., Ormond, M., Richardson, G., Santini, Ario, Miletić, Vesna, Kew, P., "A study of temperature rise in the pulp chamber during composite polymerization with different light-curing units" in Journal of Contemporary Dental Practice, 8, no. 7 (2007):029-037, https://hdl.handle.net/21.15107/rcub_smile_1355 .